Glossary
A
- asteroids
- - small, irregular shaped space bodies - many of them orbit the sun between Mars and Jupiter
- attraction
- - the force of pulling one object towards another
B
- black holes
- - a collection of matter that is so dense that even light does not escape
C
- catalogue
- - a list of data or information of a given topic
- comets
- - frozen balls of gas that orbit the sun
G
- galaxios
- - Greek word meaning milky circle
- galaxy
- - a huge collection of space matter gathered together by gravity - includes stars, planets, moons, asteroids comets and other matter
- Galileo
- - Italian mathematician and scientist who lived between 1564 and 1642
- gas clouds
- - clouds made of gas and/or dust
- gravity
- - the force of attraction between any two masses
H
- Herschel
- - German astronomer who lived between 1738 - 1833
- Hubble
- - American astronomer who lived between 1889 and 1953
M
- Magellan
- - Portuguese sailor who lived between 1480 and 1521 - the first to sail completely around the world
- moons
- - smaller spherical bodies that orbit planets
S
- sombrero
- - a type of wide brimmed hat which originated in Mexico
- stars
- - burning sphere of gas - a sun
U
- universe
- - all of space and its contents
